Subtract 63/84 from 42/98
42/98 - 63/84 is -9/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 84 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
42/98 = 42 × 6/98 × 6 = 252/588 - Likewise, for the 2nd fraction, since 84 × 7 = 588,
63/84 = 63 × 7/84 × 7 = 441/588 - Subtract the two like fractions:
252/588 - 441/588 = 252 - 441/588 = -189/588 - After reducing the fraction, the answer is -9/28
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Related: 84/98-63/84